Table 3.
LDA topic feature words.
| The division of the positive topic feature word |
The division of the negative topic feature words |
|||||
|---|---|---|---|---|---|---|
|
Topic 1 Tourist Experience |
Topic 2 Scenic Charm |
Topic 3 Tourism Services |
Topic 4 Tourist Attitudes |
Topic 1 Tourist Experience |
Topic 2 Scenic Charm |
Topic 3 Tourism Services |
| Hour | history | enjoy | correct | hour | waterfall | Shanxi |
| ticket | Zhenyuan | tour guide | worth | ropeway | Hukou Waterfalls | service |
| Time | China | explain | cost-effectiveness | advise | the Yellow River | staff |
| suggest | locate | good | ensemble | ID card | Ctrip | tour guide |
| ropeway | culture | night scene | fun | time | Zhenyuan | parking lot |
| throughout the journey | global | child | interesting | ticket | regret | management |
| Qinghai Lake | architecture | at night | Jiuzhai Valley | at night | Shaanxi | line up |
| sightseeing bus | nature | experience | beautiful | weather | China | ticket |
| cable car | relics | deserve | recommend | cable car | Jixian | experience |
| top of the mountain | wall | movie | awesome | downhill | yellow | time |